1/*
2 * Copyright (C) 2015 The Android Open Source Project
3 *
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
7 *
8 *      http://www.apache.org/licenses/LICENSE-2.0
9 *
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
15 */
16#ifndef STRING_UTILS_H
17#define STRING_UTILS_H
18
19#include <iomanip>
20#include <iostream>
21#include <ostream>
22#include <sstream>
23#include <string>
24#include <unordered_set>
25
26#include <utils/Log.h>
27
28namespace android {
29namespace uirenderer {
30
31class unordered_string_set : public std::unordered_set<std::string> {
32public:
33    bool has(const char* str) { return find(std::string(str)) != end(); }
34};
35
36class StringUtils {
37public:
38    static unordered_string_set split(const char* spacedList);
39};
40
41struct SizePrinter {
42    int bytes;
43    friend std::ostream& operator<<(std::ostream& stream, const SizePrinter& d) {
44        static const char* SUFFIXES[] = {"B", "KiB", "MiB"};
45        size_t suffix = 0;
46        double temp = d.bytes;
47        while (temp > 1024 && suffix < 2) {
48            temp /= 1024.0;
49            suffix++;
50        }
51        stream << std::fixed << std::setprecision(2) << temp << SUFFIXES[suffix];
52        return stream;
53    }
54};
55
56class LogcatStream : public std::ostream {
57    class LogcatStreamBuf : public std::stringbuf {
58        virtual int sync() {
59            ALOGD("%s", str().c_str());
60            str("");
61            return 0;
62        }
63    };
64
65    LogcatStreamBuf buffer;
66
67public:
68    LogcatStream() : std::ostream(&buffer) {}
69};
70
71} /* namespace uirenderer */
72} /* namespace android */
73
74#endif /* GLUTILS_H */
75